<template>
	<view class="cart-container" v-if="cart.length!==0">
    <!-- 收获地址区域start -->
    <my-address></my-address>
    <!-- 收获地址区域end -->
    
		<!-- 购物车标题区域start -->
    <view class="cart-title">
      <uni-icons type="shop" size="18"></uni-icons>
      <text class="cart-title-text">购物车</text>
    </view>
    <!-- 购物车标题区域end -->
    
    <!-- 购物车商品列表区域start -->
    <uni-swipe-action>
      <block v-for="(goods,i) in cart" :key="i">
        <uni-swipe-action-item :options="options" @click="swiperActionClickHandler(goods)">
           <my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numerChangeHandler"></my-goods>     
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>
    <!-- 购物车商品列表区域end -->
    
    <!-- 商品结算区域start -->
    <my-settle></my-settle>
    <!-- 商品结算区域start -->
	</view>
  
  <!-- 空白购物车区域start -->
  <view class="empty-cart" v-else>
    <image src="../../static/cart_empty@2x.png" class="empty-img"></image>
    <text class="tip-text">空空如也~~~</text>
  </view>
  <!-- 空白购物车区域end -->
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  import { mapGetters,mapState,mapMutations } from 'vuex'
	export default {
    mixins:[badgeMix],
    computed:{
      ...mapGetters('m_cart',['total']),
      ...mapState('m_cart',['cart'])
    },
		data() {
			return {
        options:[{
          text:"删除",   //显示文本的内容
          style:{
            backgroundColor:'#C00000'  //按钮的背景颜色
          }
        }],
        
			};
		},
    methods:{
      ...mapMutations('m_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
      //修改商品勾选状态
      radioChangeHandler(e){
        console.log(e)
        this.updateGoodsState(e)
      },
      //处理商品变化的事件
      numerChangeHandler(e){
        console.log(e)
        this.updateGoodsCount(e)
      },
      //实现滑动删除效果
      swiperActionClickHandler(goods){
        this.removeGoodsById(goods.goods_id)
      }
    },
	}
</script>

<style lang="scss">
  .cart-title{
    height: 40px;
    display: flex;
    align-items: center;
    font-size: 14px;
    padding-left: 5px;
    border-bottom: 1px solid #efefef;
    .cart-title-text{
      margin-left: 10px;     
    }
  }
  .cart-container{
    padding-bottom: 50px;
  }
  .empty-cart{
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 150px;
    .empty-img{
      width: 90px;
      height: 90px;
    }
    .tip-text{
      font-size: 12px;
      color: gray;
      margin-top: 15px;
    }
  }
</style>
